2018 Cadillac ATS Technical Service Bulletins

1,057 technical service bulletins (TSBs) are on record for the 2018 Cadillac ATS. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10126951Dec 6, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10139187Dec 5, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139220Dec 4, 2017Equipment. This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
• 10139211Dec 4, 2017Equipment. This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
• 10139176Dec 4, 2017Equipment. This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
• 10139186Dec 1, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10126920Dec 1, 2017Transmission and drivetrain. This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
• 10139099Nov 30, 2017Equipment. This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
• 10139088Nov 30, 2017Equipment, Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10125140Nov 30, 2017Equipment. This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097.
• 10140340Nov 28, 2017Equipment. This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
• 10139116Nov 28, 2017Equipment. This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
• 10139141Nov 22, 2017Back-over prevention (rear camera). This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated
• 10139095Nov 22, 2017Equipment. This bulletin describes the Dealer special tool loan program process.
• 10139089Nov 22, 2017Equipment, Transmission and drivetrain, Engine. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10139118Nov 17, 2017Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10139108Nov 17, 2017Visibility (wipers, defrost, mirrors). This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
• 10139090Nov 17, 2017Engine, Electrical system. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
• 10139152Nov 16, 2017Electrical system. This informational bulletin explains to the technician to charge the battery if the vehicle battery is discharged during transport.
• 10139151Nov 15, 2017Electrical system, Equipment. This informational bulletin provides information on the fact that WMA files are not accepted by the specific radios.
• 10135146Nov 8, 2017Electrical system. 17328-02 - Customer Satisfaction ( Update Procedure Revised). Vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the climate control system, certain audio features and the in-vehicle navigation system so they continue to function properly. The changes will also prevent instances of intermittent system lock-up. OnStar will update vehicles remotely…
• 10125106Nov 7, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10125104Nov 7, 2017Transmission and drivetrain, Steering. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
• 10125103Nov 7, 2017Steering. This Preliminary Information communication provides the technician with a diagnostic tip for vehicles with intermittent no crack with a "Turn Steering Wheel Start Vehicle Again". If there is a Diagnostic Trouble Code B305A stored history in the Body Control Module it may have been caused by a bound up steering wheel. Review the owner’s manual Starting the Vehicle Messages section with the customer.
• 10191055Nov 1, 2017Equipment, Electrical system. All 2018 model year Cadillac ATS, ATS-V, CTS, CTS-V and GMC Terrain vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the climate control system, certain audio features and the in-vehicle navigation system so they continue to function properly. The changes will also prevent instances of intermittent system lock-up.
• 10190242Nov 1, 2017Electrical system. Malfunction Indicator Lamp (MIL) Illuminated - DTC P3409 and/or P3433 Condition Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: • P3409 • P3433 Cause This condition may be caused by a wiring issue with both/either the cylinder 2 deactivation solenoid oil control valve circuit and/or the cylinder 5 deactivation solenoid oil control valve circuit…
• 10123289Oct 30, 2017Electrical system. This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern.
• 10134638Oct 27, 2017Transmission and drivetrain. This engineering information is requesting information from the field on vehicles that have the condition of Rear Drive Module Fluid Leaks - Axle Seals, Pinion Seal, or Cover Seal.
• 10134583Oct 27, 2017Electrical system. This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
• 10134594Oct 25, 2017Equipment, Engine. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
• 10134621Oct 24, 2017Equipment. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10134618Oct 23, 2017Equipment. This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
• 10123270Oct 20, 2017Equipment. This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the 8L45 and 8L90 park actuator rod. The dealer technician is advised to call the GM Product Quality Center for further assistance.
• 10134612Oct 17, 2017Back-over prevention (rear camera). This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
• 10123256Oct 16, 2017Transmission and drivetrain, Electrical system. This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
• 10123252Oct 13, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10123244Oct 13, 2017Lane departure, Electrical system. This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the…
• 10134593Oct 11, 2017Equipment. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10123227Oct 5, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
• 10134604Oct 4, 2017Transmission and drivetrain. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
• 10134595Oct 3, 2017Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10123222Oct 3, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
• 10190378Oct 1, 2017Suspension, Equipment. Engineering Information – Rear Drive Module Fluid Leaks - Axle Seals, Pinion Seal, or Cover Seal Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment on a fluid leak originating from the rear drive module assembly. Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to…
• 10190339Oct 1, 2017Equipment, Electrical system. Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original…
• 10190338Oct 1, 2017Equipment. Essential Tools that Include Consumable Parts (U.S. Only)
• 10190337Oct 1, 2017Suspension. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
• 10190329Oct 1, 2017Equipment, Back-over prevention (rear camera). Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no related DTCs will be found if this bulletin applies. One example of when this concern may be observed is if a customer quickly starts the car and immediately places the shifter in Reverse…
• 10190320Oct 1, 2017Electrical system, Equipment. IPC Odometer Programming Method Quick Reference Guide
• 10190318Oct 1, 2017Electrical system. All or Some Options May Be Missing from Driver Information Center (DIC) “Info Pages” Menu Due to Them Not Being Selected Condition Some customers may comment that with the “Info” option selected from the main menu (1), the “Info Pages” are blank (2) when scrolling up and down.

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